root / pykota / trunk / checkdeps.py @ 3513

Revision 3481, 5.5 kB (checked in by jerome, 16 years ago)

Changed copyright years.
Copyright years are now dynamic when displayed by a command line tool.

  • Property svn:eol-style set to native
  • Property svn:executable set to *
  • Property svn:keywords set to Author Date Id Revision
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1#! /usr/bin/env python
2# -*- coding: utf-8 -*-
3#
4# PyKota
5#
6# PyKota : Print Quotas for CUPS
7#
8# (c) 2003-2009 Jerome Alet <alet@librelogiciel.com>
9# This program is free software: you can redistribute it and/or modify
10# it under the terms of the GNU General Public License as published by
11# the Free Software Foundation, either version 3 of the License, or
12# (at your option) any later version.
13#
14# This program is distributed in the hope that it will be useful,
15# but WITHOUT ANY WARRANTY; without even the implied warranty of
16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17# GNU General Public License for more details.
18#
19# You should have received a copy of the GNU General Public License
20# along with this program.  If not, see <http://www.gnu.org/licenses/>.
21#
22# $Id$
23#
24#
25
26import sys
27import os
28
29def checkModule(module) :
30    """Checks if a Python module is available or not."""
31    try :
32        exec "import %s" % module
33    except ImportError :
34        return 0
35    else :
36        return 1
37
38def checkCommand(command) :
39    """Checks if a command is available or not."""
40    input = os.popen("type %s 2>/dev/null" % command)
41    result = input.read().strip()
42    input.close()
43    return result
44
45def checkWithPrompt(prompt, module=None, command=None, helper=None) :
46    """Tells the user what will be checked, and asks him what to do if something is absent."""
47    sys.stdout.write("Checking for %s availability : " % prompt)
48    sys.stdout.flush()
49    if command is not None :
50        result = checkCommand(command)
51    elif module is not None :
52        result = checkModule(module)
53    if result :
54        sys.stdout.write("OK\n")
55    else :
56        sys.stdout.write("NO.\n")
57        sys.stderr.write("ERROR : %s not available !\n" % prompt)
58        sys.stdout.write("%s\n" % helper)
59
60if __name__ == "__main__" :
61    sys.stdout.write("Checking PyKota dependencies...\n")
62
63    # checks if Python version is correct, we need >= 2.4
64    if not (sys.version > "2.4") :
65        sys.stderr.write("PyKota needs at least Python v2.4 !\nYour version seems to be older than that, please update.\nAborted !\n")
66        sys.exit(-1)
67
68    # checks if some needed Python modules are there or not.
69    modulestocheck = [ ("Python-PygreSQL", "pg", "PygreSQL is mandatory if you want to use PostgreSQL as the quota database backend.\nSee http://www.pygresql.org or use 'apt-get install python-pygresql'"),
70                       ("Python-SQLite", "pysqlite2", "Python-SQLite is mandatory if you want to use SQLite as the quota database backend.\nSee http://www.pysqlite.org or use 'apt-get install python-pysqlite2'"),
71                       ("MySQL-Python", "MySQLdb", "MySQL-Python is mandatory if you want to use MySQL as the quota database backend.\nSee http://sourceforge.net/projects/mysql-python or use 'apt-get install python-mysqldb'"),
72                       ("Python-egenix-mxDateTime", "mx.DateTime", "eGenix' mxDateTime is mandatory for PyKota to work.\nSee http://www.egenix.com or use 'apt-get install python-egenix-mxdatetime'"),
73                       ("Python-LDAP", "ldap", "Python-LDAP is mandatory if you plan to use an LDAP\ndirectory as the quota database backend.\nSee http://python-ldap.sf.net or use 'apt-get install python-ldap'"),
74                       ("Python-OSD", "pyosd", "Python-OSD is recommended if you plan to use the X Window On Screen Display\nprint quota reminder named pykosd. See http://repose.cx/pyosd/ or use 'apt-get install python-osd'"),
75                       ("Python-SNMP", "pysnmp", "Python-SNMP is recommended if you plan to use hardware\naccounting with printers which support SNMP.\nSee http://pysnmp.sf.net or use 'apt-get install python-pysnmp4'"),
76                       ("Python-JAXML", "jaxml", "Python-JAXML is recommended if you plan to dump datas in the XML format.\nSee http://www.librelogiciel.com/software/ or use 'apt-get install python-jaxml'"),
77                       ("Python-ReportLab", "reportlab.pdfgen.canvas", "Python-ReportLab is required if you plan to have PyKota generate banners, invoices or receipts.\nSee http://www.reportlab.org/ or use 'apt-get install python-reportlab'"),
78                       ("Python-Imaging", "PIL.Image", "Python-Imaging is required if you plan to have PyKota generate banners, invoices or receipts.\nSee http://www.pythonware.com/downloads/ or use 'apt-get install python-imaging'"),
79                       ("Python-pkpgcounter", "pkpgpdls", "Python-pkpgcounter is mandatory.\nGrab it from http://www.pykota.com/software/pkpgcounter/ or use 'apt-get install pkpgcounter'"),
80                       ("Python-PAM", "PAM", "Python-PAM is recommended if you plan to use pknotify+PyKotIcon.\nGrab it from http://www.pangalactic.org/PyPAM/ or use 'apt-get install python-pam'"),
81                       ("Python-pkipplib", "pkipplib", "Python-pkipplib is now mandatory.\nGrab it from http://www.pykota.com/software/pkipplib/"),
82                     ]
83    commandstocheck = [ ("GhostScript", "gs", "GhostScript may be needed in different parts of PyKota. Install it from your favorite distribution, or use 'apt-get install ghostscript'."),
84                        ("Netatalk", "pap", "Netatalk is needed if you want to use hardware accounting with AppleTalk enabled printers. Install it from your favorite distribution or use 'apt-get install netatalk'")
85                      ]
86    for (name, module, helper) in modulestocheck :
87        checkWithPrompt(name, module=module, helper=helper)
88
89    # checks if some software are there or not.
90    for (name, command, helper) in commandstocheck :
91        checkWithPrompt(name, command=command, helper=helper)
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